PayPal

Machine Learning Engineer PhD Intern - Summer 2027

PayPal
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1 day ago
San Jose, CA, USAIntern

Responsibilities

  • Conduct applied research to develop machine learning solutions for complex business challenges.
  • Design, build, and evaluate machine learning models and assess their effectiveness, reliability, and suitability.
  • Analyze data and conduct experiments to guide model development.
  • Collaborate with engineers, data scientists, and cross-functional partners to create scalable ML solutions.
  • Contribute to developing and deploying machine learning pipelines and solutions in production.
  • Monitor model performance and identify improvements to outcomes, reliability, and efficiency.
  • Document research, experiments, and technical decisions and communicate findings to technical and non-technical audiences.
  • Stay informed about machine learning developments and evaluate their relevance to PayPal products and services.

Requirements

  • Currently pursuing a PhD in computer science, machine learning, statistics, data science, computer engineering, or a related technical field at an accredited college or university.
  • Strong foundation in machine learning and statistics, with research experience developing and evaluating models.
  • Proficiency in Python and experience with PyTorch, TensorFlow, or scikit-learn.
  • Must be legally authorized to work in the U.S. without sponsorship.
  • Must be returning to school in Fall 2027.
  • Strong analytical, communication, and collaboration skills are required; relevant research publications are preferred.

Benefits

  • Summer 2027 internship; Spring and Fall 2027 internships are not available.
  • Balanced hybrid work model generally includes 3 days in the office and 2 days at the office or home workspace.
  • PayPal offers paid time off, healthcare coverage, financial security resources, and mental health support.
  • Applications are accepted through December 6, 2026.
  • Travel requirement is 0 percent.

Tech Stack

PythonPyTorchscikit-learnTensorFlow

Categories

PayPal

About PayPal

10,000+ employees

PayPal builds digital payments platforms for consumers and merchants, including PayPal, Venmo, and Xoom, supporting online, in‑app, and in‑person checkout and peer‑to‑peer transfers. It earns primarily from transaction and merchant processing fees, plus value‑added services such as risk management and branded credit. Founded in 1998 and headquartered in San Jose, California, PayPal operates in roughly 200 markets and is a public company traded on NASDAQ.

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